Dual 14-Bit nanoDAC with 5 ppm/C On-Chip Reference Features: Low power, smallest pin-compatible, dual nanoDAC AD5663R: 16 bits AD5643R: 14 bits AD5623R: 12 bits User-selectable external or internal reference External reference default On-chip 1.25 V/2.5 V, 5 ppm/°C reference 10-lead MSOP and 3 mm × 3 mm LFCSP 2.7 V to 5.5 V power supply Guaranteed monotonic by design Power-on reset to zero scale Per channel power-down Serial interface up to 50 MHz Hardware LDAC and CLR functions